title: Risk factors for thrombocytopenia in patients treated with prolonged heparin therapy.
authors.forename: David R
authors.initials: DR
authors.lastname: Williamson
authors.forename: Danielle
authors.initials: D
authors.lastname: Pilon
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects; D006493:Heparin / Q000009:adverse effects; D006801:Humans; D012307:Risk Factors; D013921:Thrombocytopenia / Q000209:etiology*
chemical_list: D000925:Anticoagulants; D006493:Heparin